Chloroacetic anhydride
Chloroacetic anhydride Basic information
- Product Name:
- Chloroacetic anhydride
- Synonyms:
-
- chloro-aceticacianhydride
- Chloroacetyl anhydride
- chloroacetylanhydride
- chloroethanoicanhydride
- Monochloroacetic anhydride
- sym-dichloroaceticanhydride
- CHLOROACETIC ANHYDRIDE
- CHLOROACETIC ACID ANHYDRIDE
- CAS:
- 541-88-8
- MF:
- C4H4Cl2O3
- MW:
- 170.97
- EINECS:
- 208-794-2
- Product Categories:
-
- Building Blocks
- Carbonyl Compounds
- Pharmaceutical Intermediates
- Carboxylic Acid Anhydrides
- Chemical Synthesis
- Organic Building Blocks
- Mol File:
- 541-88-8.mol
Chloroacetic anhydride Chemical Properties
- Melting point:
- 51 °C
- Boiling point:
- 203 °C
- Density
- 1.449
- vapor pressure
- <0.75 mm Hg ( 20 °C)
- refractive index
- 1.4730 (estimate)
- Flash point:
- >230 °F
- storage temp.
- Hygroscopic, -20°C Freezer, Under inert atmosphere
- solubility
- Freely soluble in ether, chloroform. Slightly soluble in benzene. Insoluble in cold ligroin
- form
- Crystals, Chunks or Low Melting Mass
- color
- brown
- Sensitive
- Moisture Sensitive
- Merck
- 14,2113
- BRN
- 774533
- Stability:
- Moisture Sensitive
- InChIKey
- PNVPNXKRAUBJGW-UHFFFAOYSA-N
- CAS DataBase Reference
- 541-88-8(CAS DataBase Reference)
- EPA Substance Registry System
- Acetic acid, chloro-, anhydride (541-88-8)
Safety Information
- Hazard Codes
- C,T
- Risk Statements
- 34-36/37-43-25
- Safety Statements
- 26-28-36/37/39-45-27
- RIDADR
- UN 3261 8/PG 2
- WGK Germany
- 3
- F
- 10-19-21
- Hazard Note
- Highly Toxic/Corrosive/Lachrymator
- TSCA
- Yes
- HazardClass
- 8
- PackingGroup
- II
- HS Code
- 29159000
- Hazardous Substances Data
- 541-88-8(Hazardous Substances Data)
MSDS
- Language:English Provider:ACROS
- Language:English Provider:SigmaAldrich
- Language:English Provider:ALFA
Chloroacetic anhydride Usage And Synthesis
Chemical Properties
brownish semi-transparent crystals, chunks or low
Uses
Chloroacetic anhydride has been used in the synthesis of 3,3-bis(sulfonato)-4,4-bis(chloroacetamido)azobenzene (BSBCA), a water-soluble, thiol-reactive and photo-switchable cross-linker, D,L-7-azatryptophan, 2-methyl-[3,4-di-O-acetyl-6-O-(chloroacetyl)-1,2-dideoxy-α-D-glucopyrano]-[2,1:4,5]-2-oxazoline.
Uses
In N-acetylation of amino acids in alkaline solution; preparation of cellulose chloroacetates.
Preparation
chloroacetic anhydride Synthesis: Powdered s odium monochloroacetate(113.3g, 1.138 mol) was added slowly for a period of 15 min at room temperature (which slowly raises to 60°C) to a stirred solution of commercially available chloroaceyl chloride (127.5g, 1mol) in dry benzene (136mL) was refluxed for 9h. Salts were filtered off, the filtrate was cooled to room temperature, diluted with n-hexane and further cooled to 0°C. The solid separated was then filtered, washed with dry hexane and dried to yield chloroacetic anhydride as white crystalline compound in 60% yield (80g); mp=46-49°C [Lit. mp=46°C]. Alternatively, the benzene layer was directly subjected to high vacuum distillation.The product collected at 109-10°C at 10mm vacuum on cooling chloroacetic anhydride in lump form in 70 % yield (93g). It was observed that, the latter method gives anhydride in lump form while the former method gives in crystalline form.
Purification Methods
Crystallise the it from *benzene. [Eglinton et al. J Chem Soc 1860 1954, Beilstein 2 IV 487.]
Chloroacetic anhydride Preparation Products And Raw materials
Preparation Products
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Chloroacetic anhydride(541-88-8)Related Product Information
- Dabigatran Etexilate Mesylate
- 3-[[[2-[[(4-Cyanophenyl)amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]pyridin-2-ylamino]propionic acid ethyl ester
- Dabigatran etexilate
- Dabigatran
- N-(4-CYANO-PHENYL)-GLYCINE
- 4-Aminobenzamidine dihydrochloride
- 3-[(3-AMINO-4-METHYLAMINO-BENZOYL)-PYRIDIN-2-YL-AMINO]-PROPIONIC ACID ETHYL ESTER
- HEXYL CHLOROFORMATE
- N-[[2-[[[4-(Aminoiminomethyl)phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-(2-pyridinyl)-beta-alanine ethyl ester hydrochloride
- DICHLOROACETIC ANHYDRIDE
- TRICHLOROACETIC ANHYDRIDE
- Dichloromaleic anhydride
- Chloroacetic anhydride
- CHLORODIFLUOROACETIC ANHYDRIDE
- Chloroacetic acid
- Acetic anhydride
- Acetic acid (chloroacetic)anhydride
- CHLOROACETIC ANHYDRIDE, [2-14C]